# Number类型  int、float、bool、complex（复数）
import random

a, b, c = 1, 2, 3
a = d = 1
print(a)
print(b)
print(c)
print(d)

# 运算
print(5 + 4)
print(5 - 4)
print(5 * 4)
print(5 / 4)
print(5 // 4)
print(5 % 4)
print(5 ** 4)
print(int(12.3), int(12.3), sep=",", end="\n")
# 随机数
s = [1, 2]
print(random.choice(range(10)))
print(random.choice(s))
